257140050 has 48 divisors (see below), whose sum is σ = 639027552. Its totient is φ = 68428800.

The previous prime is 257140033. The next prime is 257140057. The reversal of 257140050 is 50041752.

It is a super-2 number, since 2×257140050² = 132242010628005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 257140050.

It is not an unprimeable number, because it can be changed into a prime (257140057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85065 + ... + 88035.

It is an arithmetic number, because the mean of its divisors is an integer number (13313074).

Almost surely, 2^257140050 is an apocalyptic number.

257140050 is an abundant number, since it is smaller than the sum of its proper divisors (381887502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257140050 is a wasteful number, since it uses less digits than its factorization.

257140050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 257140050 is about 16035.5869864499. The cubic root of 257140050 is about 635.9015857769.

The spelling of 257140050 in words is "two hundred fifty-seven million, one hundred forty thousand, fifty".